CVE-2024-47749RDMA/cxgb4: Added NULL check for lookup_atid
- 7.5HighCVSS base score
- 0.57%Exploitation in 30 daysEPSS · top 52% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Added NULL check for lookup_atid The lookup_atid() function can return NULL if the ATID is invalid or does not exist in the identifier table, which could lead to dereferencing a null pointer without a check in the `act_establish()` and `act_open_rpl()` functions. Add a NULL check to prevent null pointer dereferencing. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Timeline
ID reserved
By Linux
- 21 days later
· 21 days later
Published
- 22 months later
· 22 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.57% · top 52% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
- affected cfdda9d764362ab77b11a410bb928400e6520d57 – < b12e25d91c7f97958341538c7dc63ee49d01548f
- affected cfdda9d764362ab77b11a410bb928400e6520d57 – < 4e1fe68d695af367506ea3c794c5969630f21697
- affected cfdda9d764362ab77b11a410bb928400e6520d57 – < dd598ac57dcae796cb58551074660c39b43fb155
- affected cfdda9d764362ab77b11a410bb928400e6520d57 – < b11318dc8a1ec565300bb1a9073095af817cc508
- affected cfdda9d764362ab77b11a410bb928400e6520d57 – < 39cb9f39913566ec5865581135f3e8123ad1aee1
- affected cfdda9d764362ab77b11a410bb928400e6520d57 – < 0d50ae281a1712b9b2ca72830a96b8f11882358d
- affected cfdda9d764362ab77b11a410bb928400e6520d57 – < 54aaa3ed40972511e423b604324b881425b9ff1e
- affected cfdda9d764362ab77b11a410bb928400e6520d57 – < b9c94c8ba5a713817cffd74c4bacc05187469624
- affected cfdda9d764362ab77b11a410bb928400e6520d57 – < e766e6a92410ca269161de059fff0843b8ddd65f
- affected 2.6.35
- unaffected < 2.6.35
- unaffected 4.19.323 – ≤ 4.19.*
- unaffected 5.4.285 – ≤ 5.4.*
- unaffected 5.10.227 – ≤ 5.10.*
- unaffected 5.15.168 – ≤ 5.15.*
- unaffected 6.1.113 – ≤ 6.1.*
- unaffected 6.6.54 – ≤ 6.6.*
- unaffected 6.10.13 – ≤ 6.10.*
- unaffected 6.11.2 – ≤ 6.11.*
- unaffected 6.12 – ≤ *
References
References11
- https://git.kernel.org/stable/c/b12e25d91c7f97958341538c7dc63ee49d01548f (opens in a new tab)
- https://git.kernel.org/stable/c/4e1fe68d695af367506ea3c794c5969630f21697 (opens in a new tab)
- https://git.kernel.org/stable/c/dd598ac57dcae796cb58551074660c39b43fb155 (opens in a new tab)
- https://git.kernel.org/stable/c/b11318dc8a1ec565300bb1a9073095af817cc508 (opens in a new tab)
- https://git.kernel.org/stable/c/39cb9f39913566ec5865581135f3e8123ad1aee1 (opens in a new tab)
- https://git.kernel.org/stable/c/0d50ae281a1712b9b2ca72830a96b8f11882358d (opens in a new tab)
- https://git.kernel.org/stable/c/54aaa3ed40972511e423b604324b881425b9ff1e (opens in a new tab)
- https://git.kernel.org/stable/c/b9c94c8ba5a713817cffd74c4bacc05187469624 (opens in a new tab)
- https://git.kernel.org/stable/c/e766e6a92410ca269161de059fff0843b8ddd65f (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-42667 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-47749)Record last updated .